JP3184465B2 - 薄膜磁気ヘッドおよびその製造方法 - Google Patents

薄膜磁気ヘッドおよびその製造方法

Info

Publication number
JP3184465B2
JP3184465B2 JP30808896A JP30808896A JP3184465B2 JP 3184465 B2 JP3184465 B2 JP 3184465B2 JP 30808896 A JP30808896 A JP 30808896A JP 30808896 A JP30808896 A JP 30808896A JP 3184465 B2 JP3184465 B2 JP 3184465B2
Authority
JP
Japan
Prior art keywords
layer
magnetic
core layer
shield
lower core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP30808896A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10149515A (ja
Inventor
清 佐藤
利徳 渡辺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Priority to JP30808896A priority Critical patent/JP3184465B2/ja
Priority to US08/972,127 priority patent/US5959813A/en
Priority to KR1019970060866A priority patent/KR100263869B1/ko
Publication of JPH10149515A publication Critical patent/JPH10149515A/ja
Application granted granted Critical
Publication of JP3184465B2 publication Critical patent/JP3184465B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • G11B5/3967—Composite structural arrangements of transducers, e.g. inductive write and magnetoresistive read

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP30808896A 1996-11-19 1996-11-19 薄膜磁気ヘッドおよびその製造方法 Expired - Fee Related JP3184465B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP30808896A JP3184465B2 (ja) 1996-11-19 1996-11-19 薄膜磁気ヘッドおよびその製造方法
US08/972,127 US5959813A (en) 1996-11-19 1997-11-17 Combination read/write thin film magnetic head using a shielding magnetic layer
KR1019970060866A KR100263869B1 (ko) 1996-11-19 1997-11-18 복합형 박막 자기헤드 및 그 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30808896A JP3184465B2 (ja) 1996-11-19 1996-11-19 薄膜磁気ヘッドおよびその製造方法

Publications (2)

Publication Number Publication Date
JPH10149515A JPH10149515A (ja) 1998-06-02
JP3184465B2 true JP3184465B2 (ja) 2001-07-09

Family

ID=17976730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30808896A Expired - Fee Related JP3184465B2 (ja) 1996-11-19 1996-11-19 薄膜磁気ヘッドおよびその製造方法

Country Status (3)

Country Link
US (1) US5959813A (ko)
JP (1) JP3184465B2 (ko)
KR (1) KR100263869B1 (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000011331A (ja) * 1998-06-18 2000-01-14 Tdk Corp 磁気抵抗効果素子及び薄膜磁気ヘッド
JP3469473B2 (ja) * 1998-08-26 2003-11-25 Ｔｄｋ株式会社 薄膜磁気ヘッドおよびその製造方法
US6330128B1 (en) * 1999-04-26 2001-12-11 International Business Machines Corporation Magnetic head assembly having open yoke write head with highly defined narrow track width
JP2001006121A (ja) * 1999-06-22 2001-01-12 Matsushita Electric Ind Co Ltd 薄膜磁気ヘッドとその製造方法及び磁気記録装置
SG100666A1 (en) * 2000-04-04 2003-12-26 Nec Tokin Corp Wiring board comprising granular magnetic film
US6430806B1 (en) 2000-06-23 2002-08-13 Read-Rite Corporation Method for manufacturing an inductive write element employing bi-layer photoresist to define a thin high moment pole pedestal
JP2005122831A (ja) * 2003-10-17 2005-05-12 Alps Electric Co Ltd 磁気ヘッド
JP2006012272A (ja) * 2004-06-24 2006-01-12 Hitachi Global Storage Technologies Netherlands Bv 磁気ヘッド及びその製造方法
US7549213B2 (en) * 2005-01-12 2009-06-23 Hitachi Global Storage Technologies Netherlands B.V. Method for independent trackwidth and wall angle control and hexagonal write head
US7554764B2 (en) * 2006-04-07 2009-06-30 Hitachi Global Storage Technologies Netherlands B.V. Lift-off method for forming write pole of a magnetic write head and write pole formed thereby
US9183857B2 (en) 2012-11-01 2015-11-10 Seagate Technology Llc Magnetic devices having shields including a nickel alloy

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5032945A (en) * 1989-11-07 1991-07-16 International Business Machines Corp. Magnetic thin film structures fabricated with edge closure layers
US5621595A (en) * 1992-10-20 1997-04-15 Cohen; Uri Pinched-gap magnetic recording thin film head
JP2854513B2 (ja) * 1993-10-21 1999-02-03 アルプス電気株式会社 複合型薄膜磁気ヘッド及びその製造方法
US5759681A (en) * 1995-02-03 1998-06-02 Hitachi, Ltd. Magnetic recording medium and magnetic recording system using the same
EP0835507A4 (en) * 1995-06-05 1998-09-09 Quantum Peripherals Colorado ENHANCED FLOW WRITING TRANSDUCER AND ITS MANUFACTURING METHOD IN CONJUNCTION WITH SHARED SCREENS ON MAGNETORESISTANT READING HEADS

Also Published As

Publication number Publication date
KR100263869B1 (ko) 2000-08-16
US5959813A (en) 1999-09-28
KR19980042542A (ko) 1998-08-17
JPH10149515A (ja) 1998-06-02

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